4(20)=2(20)+40

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Solution for 4(20)=2(20)+40 equation: 


Simplifying
4(20) = 2(20) + 40

Multiply 4 * 20
80 = 2(20) + 40

Multiply 2 * 20
80 = 40 + 40

Combine like terms: 40 + 40 = 80
80 = 80

Add '-80' to each side of the equation.
80 + -80 = 80 + -80

Combine like terms: 80 + -80 = 0
0 = 80 + -80

Combine like terms: 80 + -80 = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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